:root{
  --navy:#172554; --blue:#2563EB; --cyan:#06B6D4; --purple:#7C3AED;
  --ink:#0F172A; --muted:#64748B; --line:#E2E8F0; --bg:#F8FAFC; --white:#FFF;
  --shadow:0 18px 50px rgba(15,23,42,.08); --radius:24px; --max:1180px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,"PingFang SC","Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}
a{text-decoration:none;color:inherit}
a:hover{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--max);margin:0 auto;padding-left:20px;padding-right:20px}
header{position:sticky;top:0;z-index:50;background:rgba(248,250,252,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(226,232,240,.9)}
.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:12px;font-weight:900}
.brand-logo{height:46px;max-width:240px;width:auto;display:block;object-fit:contain;transition:transform .2s ease,opacity .2s}
.brand:hover .brand-logo{opacity:.92;transform:scale(1.02)}
.brandmark{width:38px;height:38px;border-radius:13px;background:conic-gradient(from 220deg,var(--purple),var(--blue),var(--cyan),var(--purple));position:relative;box-shadow:inset 0 0 0 5px rgba(255,255,255,.18)}
.brandmark:after{content:"";position:absolute;inset:10px;border-radius:50%;background:rgba(255,255,255,.82)}
.navlinks{display:flex;align-items:center;gap:22px;font-size:14px;font-weight:700}.navlinks a{color:#334155}.navlinks a:hover,.navlinks a.active{color:var(--blue)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:999px;border:1px solid transparent;font-weight:750;cursor:pointer;transition:.2s;line-height:1}
.btn.primary{background:var(--ink);color:#fff}.btn.secondary{background:#fff;border-color:#CBD5E1;color:var(--ink)}.btn.light{background:#fff;color:var(--ink)}
.btn:hover{opacity:.9}
.eyebrow{font-size:11px;font-weight:850;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);margin-bottom:10px}
h1,h2,h3{margin:0;letter-spacing:-.015em}
h1{font-size:clamp(30px,3.8vw,46px);line-height:1.24}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3}
h3{font-size:19px;line-height:1.38}
p{margin:0}.muted{color:var(--muted)}.section{padding:72px 0}.section.sm{padding:54px 0}
.hero{padding:68px 0 60px;position:relative;overflow:hidden;background:
radial-gradient(circle at 76% 18%,rgba(37,99,235,.18),transparent 26%),
radial-gradient(circle at 88% 68%,rgba(124,58,237,.13),transparent 30%),
linear-gradient(180deg,#FBFDFF,#F8FAFC)}
.hero:before{content:"";position:absolute;inset:0;opacity:.35;background-image:linear-gradient(rgba(148,163,184,.16) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.16) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,black,transparent 75%)}
.hero .inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.hero p{font-size:16px;color:#475569;max-width:700px;margin-top:18px;line-height:1.75}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.hero-art{min-height:440px;border-radius:28px;background:linear-gradient(145deg,#0B1220,#18305f 60%,#35206b);box-shadow:0 35px 80px rgba(23,37,84,.22);position:relative;overflow:hidden;padding:28px;color:#fff}
.hero-art .orb{position:absolute;border-radius:50%;filter:blur(3px);opacity:.75}.o1{width:180px;height:180px;background:rgba(37,99,235,.52);top:40px;right:50px}.o2{width:150px;height:150px;background:rgba(124,58,237,.48);bottom:40px;left:80px}.o3{width:110px;height:110px;background:rgba(6,182,212,.5);top:180px;left:80px}
.hero-art .core{position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);width:220px;height:220px;border-radius:50%;display:grid;place-items:center;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);backdrop-filter:blur(12px);text-align:center}
.hero-art .core strong{font-size:24px}.hero-art .core span{font-size:12px;color:#CBD5E1}

/* Apple Aesthetic Clean Light Visual Showcases & Seamless Blending */
.hero-media{
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
}
.hero-float-img{
  width:100%;
  max-width:540px;
  height:auto;
  border-radius:24px;
  mix-blend-mode:multiply;
  transition:transform .4s cubic-bezier(.16,1,.3,1);
  filter:drop-shadow(0 15px 25px rgba(15,23,42,.04));
}
.hero-float-img:hover{
  transform:scale(1.03) translateY(-4px);
}

.page-hero-inner{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:44px;
  align-items:center;
}
.page-hero-media{
  display:flex;
  justify-content:center;
  align-items:center;
}
.hero-accent-img{
  max-width:100%;
  width:auto;
  max-height:280px;
  border-radius:20px;
  mix-blend-mode:multiply;
  transition:transform .3s ease;
  filter:drop-shadow(0 12px 20px rgba(15,23,42,.04));
}
.hero-accent-img:hover{
  transform:scale(1.02);
}

@media(max-width:992px){
  .page-hero-inner{
    grid-template-columns:1fr;
    gap:28px;
  }
  .page-hero-media{
    max-width:440px;
    margin:0 auto;
  }
}

.apple-card-visual{
  width:100%;
  border-radius:16px;
  background:#F8FAFC;
  overflow:hidden;
  margin:16px 0;
  display:flex;
  align-items:center;
  justify-content:center;
}
.apple-card-visual img{
  width:100%;
  max-height:200px;
  object-fit:cover;
  mix-blend-mode:multiply;
  display:block;
  transition:transform .3s ease;
}
.apple-card-visual:hover img{
  transform:scale(1.03);
}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:space-between;height:100%}.card p{color:var(--muted);margin-top:12px;font-size:14.5px;line-height:1.7}
.card .more{display:inline-flex;margin-top:18px;color:var(--blue);font-weight:800;font-size:14px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:34px}.section-head p{max-width:640px;color:var(--muted);font-size:15px;line-height:1.7}
.band{background:linear-gradient(135deg,#0F172A,#172554 58%,#2E1065);color:#fff;border-radius:28px;padding:42px}.band p{color:#CBD5E1;font-size:15px;line-height:1.7}
.stat{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.stat b{display:block;font-size:26px}.stat span{font-size:13px;color:var(--muted)}
.timeline{display:grid;grid-template-columns:150px 1fr;gap:32px;padding:28px 0;border-top:1px solid var(--line)}.timeline:last-child{border-bottom:1px solid var(--line)}
.timeline time{font-weight:850;color:var(--blue)}.timeline p{color:var(--muted);margin-top:8px;font-size:14.5px}.tag{display:inline-block;font-size:11px;letter-spacing:.08em;color:var(--purple);font-weight:850;margin-bottom:8px}
.feature-list{display:grid;gap:16px;margin-top:24px}.feature{display:grid;grid-template-columns:40px 1fr;gap:14px}.feature .num{width:40px;height:40px;border-radius:12px;background:#EEF2FF;color:var(--blue);display:grid;place-items:center;font-weight:850}
.product-hero{background:linear-gradient(145deg,#111827,#1E3A8A 60%,#3B1D78);color:#fff;border-radius:28px;padding:44px;position:relative;overflow:hidden}.product-hero p{color:#D8E1F0;font-size:15px;line-height:1.7}.metrics{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.metric{padding:12px 14px;border-radius:12px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.14)}.metric b{display:block;font-size:18px}.metric span{font-size:11px;color:#CBD5E1}
.notice{padding:16px 20px;border:1px solid #CBD5E1;border-radius:16px;background:#fff;color:#475569;font-size:14px;line-height:1.7}
.contact{display:grid;grid-template-columns:1fr 1fr;gap:34px}.contact-panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px}
form{display:grid;grid-template-columns:1fr 1fr;gap:14px}.full{grid-column:1/-1}
input,select,textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid #CBD5E1;background:#fff;font:inherit;font-size:14px}textarea{min-height:120px;resize:vertical}
footer{padding:42px 0 24px}.footer-top{display:flex;justify-content:space-between;gap:30px;border-bottom:1px solid var(--line);padding-bottom:24px}.footer-links{display:flex;gap:18px;flex-wrap:wrap;font-size:14px;color:#475569}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:18px;color:var(--muted);font-size:13px}
.footer-top .brand-logo{height:38px}
.page-hero{padding:52px 0 42px;background:linear-gradient(180deg,#FBFDFF,#F8FAFC)}.page-hero p{max-width:740px;font-size:16px;color:#475569;margin-top:14px;line-height:1.75}
.breadcrumb{font-size:12px;color:#64748B;margin-bottom:14px}

/* Mobile Menu Toggle & Offcanvas Drawer Base */
.menu-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
  padding:0;
  gap:5px;
  transition:all .2s ease;
}
.menu-toggle span{
  display:block;
  width:20px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:all .25s ease;
}
.menu-toggle:hover{
  background:#F1F5F9;
  border-color:#CBD5E1;
}

.drawer-backdrop{
  position:fixed;
  inset:0;
  background:rgba(15,23,42,.6);
  backdrop-filter:blur(6px);
  z-index:1060;
  opacity:0;
  visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;
}
.drawer-backdrop.show{
  opacity:1;
  visibility:visible;
}

.nav-drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:min(340px,85vw);
  background:#fff;
  z-index:1070;
  box-shadow:-12px 0 35px rgba(15,23,42,.16);
  display:flex;
  flex-direction:column;
  transform:translateX(100%);
  transition:transform .35s cubic-bezier(.16,1,.3,1);
}
.nav-drawer.show{
  transform:translateX(0);
}

/* Responsive Grid System (Bootstrap Breakpoints Aligned) */
@media(max-width:992px){
  .hero .inner{grid-template-columns:1fr;gap:36px}
  .grid3{grid-template-columns:repeat(2,1fr)}
  .grid4{grid-template-columns:repeat(2,1fr)}
  .contact{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px}
  .nav{
    min-height:64px;
    padding:8px 0;
    justify-content:space-between;
    align-items:center;
  }
  .nav .navlinks,
  .nav > .btn.primary{
    display:none !important;
  }
  .menu-toggle{
    display:inline-flex !important;
  }
  .brand-logo{
    height:38px;
  }
}

@media(max-width:768px){
  .timeline-item{grid-template-columns:1fr;gap:16px}
  .timeline-thumb{width:100%;max-width:100%}
  .grid2{grid-template-columns:1fr}
  .grid3{grid-template-columns:1fr}
}

@media(max-width:576px){
  .container{padding-left:16px;padding-right:16px}
  .grid4{grid-template-columns:1fr}
  .hero{padding:48px 0 40px}
  .section{padding:54px 0}
  .section.sm{padding:42px 0}
  .product-hero,.band{padding:28px 20px}
  .footer-top,.footer-bottom{flex-direction:column;gap:16px}
  form{grid-template-columns:1fr}
  .full{grid-column:1}
}

.drawer-header{
  padding:18px 22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-bottom:1px solid var(--line);
}
.drawer-header .brand-logo{
  height:36px;
}
.drawer-close{
  width:36px;
  height:36px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#F8FAFC;
  color:#64748B;
  display:grid;
  place-items:center;
  font-size:22px;
  line-height:1;
  cursor:pointer;
  transition:.2s;
}
.drawer-close:hover{
  background:#EFF6FF;
  color:var(--blue);
  border-color:#BFDBFE;
}

.drawer-body{
  flex:1;
  overflow-y:auto;
  padding:20px 16px;
  display:flex;
  flex-direction:column;
  gap:6px;
}
.drawer-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:12px 16px;
  border-radius:12px;
  font-size:15.5px;
  font-weight:700;
  color:#334155;
  transition:all .18s ease;
}
.drawer-link:hover{
  background:#F8FAFC;
  color:var(--blue);
  padding-left:18px;
}
.drawer-link.active{
  background:#EFF6FF;
  color:var(--blue);
  border-left:3px solid var(--blue);
  border-radius:4px 12px 12px 4px;
}
.drawer-link .chevron{
  font-size:16px;
  color:#94A3B8;
  transition:transform .18s;
}
.drawer-link:hover .chevron{
  transform:translateX(3px);
  color:var(--blue);
}

.drawer-footer{
  padding:20px 22px 24px;
  border-top:1px solid var(--line);
  background:#FAFAFA;
}
.drawer-footer .btn{
  width:100%;
  margin-bottom:12px;
}
.drawer-entity{
  font-size:11.5px;
  color:var(--muted);
  text-align:center;
  line-height:1.6;
}

/* Enriched Components */
.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:750;letter-spacing:.03em}
.badge.primary{background:#EFF6FF;color:var(--blue);border:1px solid #BFDBFE}
.badge.purple{background:#FAF5FF;color:var(--purple);border:1px solid #E9D5FF}
.badge.cyan{background:#ECFEFF;color:#0891B2;border:1px solid #A5F3FC}
.badge.dark{background:#0F172A;color:#fff}

.timeline-item{display:grid;grid-template-columns:140px 1fr 280px;gap:28px;padding:32px 0;border-top:1px solid var(--line);align-items:start}
.timeline-item:last-child{border-bottom:1px solid var(--line)}
.timeline-item time{font-weight:850;font-size:17px;color:var(--blue);display:block;margin-top:4px}
.timeline-item .meta-col{display:flex;flex-direction:column;gap:8px}
.timeline-content h3{font-size:22px;margin-bottom:8px}
.timeline-content p{color:var(--muted);font-size:15px;line-height:1.7}
.timeline-stats{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.timeline-pill{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;background:#F1F5F9;border-radius:8px;font-size:12px;font-weight:700;color:#334155}
.timeline-thumb{border-radius:16px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);background:#000;aspect-ratio:16/10;position:relative}
.timeline-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s ease}
.timeline-thumb:hover img{transform:scale(1.04)}

/* Workflow steps */
.flow-wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-top:20px}
.flow-step{background:#F8FAFC;border:1px solid var(--line);border-radius:14px;padding:16px 14px;position:relative}
.flow-step .num{font-size:11px;font-weight:900;color:var(--blue);letter-spacing:.05em;margin-bottom:4px}
.flow-step strong{display:block;font-size:14px;color:var(--ink)}

/* Panorama & Media Box */
.media-card{border-radius:24px;overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);margin:24px 0}
.media-card img{width:100%;height:auto;display:block}
.media-caption{padding:16px 24px;font-size:13px;color:var(--muted);background:#F8FAFC;border-top:1px solid var(--line);text-align:center}

/* Operational Matrix Table */
.table-responsive{overflow-x:auto;margin:24px 0;background:#fff;border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow)}
.op-table{width:100%;border-collapse:collapse;text-align:left;font-size:14px}
.op-table th{background:#0F172A;color:#fff;padding:16px 20px;font-weight:700}
.op-table td{padding:18px 20px;border-bottom:1px solid var(--line);color:#334155;vertical-align:top}
.op-table tr:last-child td{border-bottom:none}
.op-table tr:hover td{background:#F8FAFC}

/* Partner Cards */
.partner-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:space-between}
.partner-card h3{font-size:20px;margin-bottom:8px}
.partner-card .tag-row{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}

@media(max-width:960px){
  .timeline-item{grid-template-columns:110px 1fr;gap:20px}
  .timeline-thumb{grid-column:1/-1;max-width:460px}
}

/* Architecture Panorama Split Layout */
.arch-split{display:grid;grid-template-columns:1fr 1.08fr;gap:36px;align-items:center}
.arch-content h2{margin-top:8px;margin-bottom:12px;font-size:26px;line-height:1.35}
.arch-desc{color:var(--muted);font-size:14.5px;line-height:1.7;margin-bottom:20px}
.arch-layers{display:flex;flex-direction:column;gap:12px}
.arch-layer-item{display:flex;align-items:center;gap:14px;padding:12px 16px;border-radius:14px;background:#F8FAFC;border:1px solid var(--line);transition:all .2s ease}
.arch-layer-item:hover{background:#fff;border-color:#CBD5E1;box-shadow:0 4px 12px rgba(15,23,42,.05);transform:translateX(4px)}
.arch-layer-num{font-size:12px;font-weight:900;color:var(--blue);background:#EEF2FF;width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.arch-layer-text strong{display:block;font-size:14.5px;color:var(--ink);margin-bottom:2px}
.arch-layer-text span{display:block;font-size:12.5px;color:var(--muted);line-height:1.5}

/* Architecture Preview Card */
.arch-visual-wrap{position:relative}
.arch-preview-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);cursor:pointer;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.arch-preview-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(15,23,42,.12);border-color:#93C5FD}
.arch-img-box{position:relative;background:#F8FAFC;overflow:hidden;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line)}
.arch-img-thumb{width:100%;height:auto;display:block;transition:transform .3s ease}
.arch-preview-card:hover .arch-img-thumb{transform:scale(1.02)}
.arch-zoom-overlay{position:absolute;inset:0;background:rgba(15,23,42,.42);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .25s ease}
.arch-preview-card:hover .arch-zoom-overlay{opacity:1}
.zoom-badge{background:#fff;color:#0F172A;font-size:13px;font-weight:700;padding:8px 16px;border-radius:999px;box-shadow:0 8px 20px rgba(0,0,0,.2);display:inline-flex;align-items:center}
.arch-caption-bar{display:flex;justify-content:space-between;align-items:center;padding:12px 18px;background:#fff;font-size:13px}
.caption-title{color:var(--ink);font-weight:600}
.caption-hint{color:var(--blue);font-weight:700;font-size:12px}

/* Lightbox Modal */
.arch-lightbox{position:fixed;inset:0;z-index:1050;display:none;align-items:center;justify-content:center;opacity:0;transition:opacity .25s ease}
.arch-lightbox.show{display:flex;opacity:1}
.lightbox-overlay{position:absolute;inset:0;background:rgba(15,23,42,.85);backdrop-filter:blur(8px)}
.lightbox-dialog{position:relative;z-index:2;max-width:94vw;max-height:92vh;display:flex;flex-direction:column;background:#0F172A;border-radius:16px;overflow:hidden;box-shadow:0 25px 50px -12px rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.15)}
.lightbox-close{position:absolute;top:12px;right:14px;z-index:10;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.2);color:#fff;border:none;font-size:24px;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s}
.lightbox-close:hover{background:rgba(255,255,255,.4)}
.lightbox-body{overflow:auto;max-height:calc(92vh - 50px);display:flex;align-items:center;justify-content:center;background:#090D16;padding:14px}
.lightbox-img{max-width:100%;max-height:82vh;object-fit:contain;border-radius:8px}
.lightbox-footer{padding:10px 20px;font-size:13px;color:#94A3B8;background:#0F172A;text-align:center;border-top:1px solid rgba(255,255,255,.08)}

@media(max-width:992px){
  .arch-split{grid-template-columns:1fr;gap:24px}
}